242220022 has 16 divisors (see below), whose sum is σ = 397372752. Its totient is φ = 109818720.

The previous prime is 242219993. The next prime is 242220031. The reversal of 242220022 is 220022242.

It is a junction number, because it is equal to n+sod(n) for n = 242219978 and 242220005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5133 + ... + 22600.

It is an arithmetic number, because the mean of its divisors is an integer number (24835797).

Almost surely, 2^242220022 is an apocalyptic number.

242220022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

242220022 is a deficient number, since it is larger than the sum of its proper divisors (155152730).

242220022 is a wasteful number, since it uses less digits than its factorization.

242220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28143.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 242220022 is about 15563.4193543707. The cubic root of 242220022 is about 623.3567688927.

Adding to 242220022 its reverse (220022242), we get a palindrome (462242264).

The spelling of 242220022 in words is "two hundred forty-two million, two hundred twenty thousand, twenty-two".